A super resolution metalens with phase compensation mechanism

Changbao Ma; Zhaowei Liu
May 2010
Applied Physics Letters;5/3/2010, Vol. 96 Issue 18, p183103
Academic Journal
We propose a metalens consisting of a metamaterial slab that can support the propagation of waves with high wave vectors and a nonperiodic plasmonic waveguide coupler atop that can provide phase compensation and wave vector matching. The principle of the metalens is analyzed and numerically verified. We show that the metalens not only can achieve super resolution focusing but also has the fundamental properties of a conventional optical lens, such as Fourier transform and imaging. The proposed metalens may offer exceptional opportunities for optical system design and information processing.


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